Exhaust cutouts?
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2004-2007 Cadillac CTS-V Performance Mods Discussion, Exhaust cutouts? in Cadillac CTS-V Series Forum - 2004 - 2007; Hey all, Anyone have any good knowledge on what I'd gain performance-wise by installing an electric exhaust cutout? I saw ...
  1. #1
    Skeeter is offline Cadillac Owners Member
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    Exhaust cutouts?

    Hey all,

    Anyone have any good knowledge on what I'd gain performance-wise by installing an electric exhaust cutout? I saw a reference to a setup in the FAQ that had a cutout installed, looked pretty trick.

    But my question is what kind of HP gains can one expect from such a setup? No doubt it'd be cool to hit a switch and have a crazy loud open exhaust setup one minute, and back to silent stock exhaust the next. But do you gain much power by routing the exhaust out of the system? Loss of torque?

    I like the idea of a switchable approach more than a new exhaust setup, but I need to know what kind of power boost (if any) to expect. Also, would routing the exhaust out from the cats, etc, trigger a bunch of error codes? Would I need to install extra stuff to slip it by the 02 sensors, etc?

    Thanks!

    Skeeter

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  3. #2
    LV_V's Avatar
    LV_V is offline Cadillac Owners Connoisseur
    Automobile(s): '11 Evo Green V Coupe - 6MT
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    Re: Exhaust cutouts?

    To the best of my knowledge the cutouts would have to been behind the cats and O2 sensors, on the actual exhaust. Otherwise you would have to cutout and weld into your headers for the electronic exhaust dump. I am almost positive there has been another post on this here in the past with more info, I'd give the search feature a try.

    Update: Just searched for a second and found the thread for you. Check out post #7 of this thread: http://www.cadillacforums.com/forums...ad.php?t=15965

  4. #3
    Skeeter is offline Cadillac Owners Member
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    Thumbs up Re: Exhaust cutouts?

    Yes, Silver Baron's car was the one I was thinking about. Pretty slick looking install: just a single power plate. Looks like they are in front of the resonators and cats, no? I would really enjoy being able to unleash the rumble of the un-corked LS6

    But no mention of power gains or O2 sensor hassles. Otherwise seems like a very fun mod for <$400.

    Skeeter

  5. #4
    Skeeter is offline Cadillac Owners Member
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    Re: Exhaust cutouts?

    Oops! Never mind... Didn't see that last post, showing HP numbers:
    1. Eltrc. cutout closed, stock airfilter: HP = 327, Torque = 316
    2. Eltrc. cutout open, stock airfilter: HP = 330, Torque = 320
    3. Eltrc. cutout closed, MorePerformance air: HP = 335, Torque = 326
    4. Eltrc. cutout open, MorePerformance air: HP = 339, Torque = 328

    Sorry for the noise!

    Skeeter

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